Latest News

January 26, 2023
During the 2023 Rule Change process, a number of rules were proposed and approved that affect the way chapters run a contest. To make sure that all our contests run in accordance with IAC policies, below are some important changes for all contest organizers and participants to be aware of.
1. Boundary judges are now optional: Contest Directors do not have to apply for a Rule Deviation for this issue. Instead, they can simply inform competitors that they are exercising this option. As with any Rule Deviation, inform competitors before they arrive...
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January 24, 2023
The IAC Board of Directors met for a Special Meeting on January 20, 2023, and appointed Shad Coulson as the new 2023 U.S. National Aerobatic Championships contest director. Shad replaces previous contest director Mike Heuer, who resigned the position in December.
Shad has been the contest director for the Estrella Classic, Maricopa, Arizona for the past three years. He worked with Jason Stephens to bring the U.S. National Unlimited and Advanced Glider Aerobatic Championships to Arizona acting as contest director for the inaugural event in 2022 and will be acting...
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January 23, 2023

Familiarity with Modified Aerobatic Aircraft is Recommended

by Keith Doyne, IAC Safety Chair

In a recent analysis from the NTSB investigation of an accident, in the landing phase of operation by a pilot operating a Pitts S1S, the investigation concluded that one of the contributing factors to the accident was the pilot’s lack of flight control system knowledge. In the pilot's report of the accident he stated, "...[he] had recently purchased the airplane and did not know that the rudder pedal return springs were not installed."
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January 21, 2023
In late 2019, the IAC encouraged members to participate in the Amazon Smiles program. By using a special link, .5% of purchases would be donated to the charity of your choice. Since then, our contributions through the Amazon Smiles program have been minimal, but still helpful, as we carry out our purpose of promoting and enhancing the safety and enjoyment of sport aerobatics. Unfortunately, Amazon is winding down the Amazon Smiles program by February 20, 2023. 
IAC members are still able to donate to the IAC - click above on...
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January 20, 2023

IAC Collegiate Program Chair, Jordan Ashley, offers his congratulations to the winners of the 2022 Collegiate Championships. The collegiate eagle trophies will be presented to the recipients at the IAC Member Gathering in Oshkosh, Wisconsin at AirVenture on Friday, July 28, 2023. The results of the championships have been verified and are as follows:

Team Championships:

1st - Metropolitan State University of Denver, Scoring 6925.60 out of 7890 points / 87.78%
2nd - University of North Dakota, Scoring...
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January 18, 2023
At the 2022 Fall Board Meeting, the board adopted rule change proposal 2023-10 which made the Presentation K 20 for Intermediate and 30 for Advanced.
After a review by observant IAC member and former board member, Tom Rhodes, it was discovered that the presentation K on the two sequences were incorrect in the IAC 2023 Known sequence archive. 
The IT Tech team has verified that JaSPer has the correct K value for the 2023 season. Ringo Massa, who operates OpenAero was also alerted, and he verifies that the presentation K factors are correct...
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